Home / 120,924,105.20-181,575,114.60-69,905,769.20

Finding the Fourth Proportional to 120,924,105.20, 181,575,114.60 and 69,905,769.20

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Solution

The fourth proportional to 120,924,105.20, 181,575,114.60 and 69,905,769.20 is: 104,967,889.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924,105.20 : 181,575,114.60 = 69,905,769.20 : x
  2. Step 2: Convert to fraction form
    120,924,105.20/181,575,114.60 = 69,905,769.20/x
  3. Step 3: Cross multiply
    120,924,105.20x = 181,575,114.60 × 69,905,769.20
  4. Step 4: Simplify right side
    120,924,105.20x = 12,693,148,053,691,150
  5. Step 5: Solve for x
    x = 12,693,148,053,691,150/120,924,105.20
  6. Step 6: Final answer
    x = 104,967,889.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.